“Although all heroin should be considered potentially lethal, this particular batch led to an overdose and near death and people should be cautioned accordingly,” Chief Richard R. Mello said in the statement.

Vermont health officials warned that the “Game of Thrones” heroin was 50 times more potent than the normal drug.

(Lebanon Police Department)

Lebanon police were able to track down the alleged drug dealer, Brock Richardson, 30, as well as one of his customers, Caleb Dumont-Wiley, 21.

At least 10 people in Vermont have already overdosed from the powerful heroin strain, the state’s Department of Health warned.

Officials believe “Game of Thrones” heroin is laced with fentanyl, which is 50 times stronger and deadlier than normal heroin.